CN210579443U

CN210579443U - Conductive column and electronic equipment

Info

Publication number: CN210579443U
Application number: CN201921467248.3U
Authority: CN
Inventors: 王飞; 江宝迪; 吴壬华
Original assignee: Shenzhen Shinry Technologies Co Ltd
Current assignee: Shenzhen Shinry Technologies Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-19
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a lead electrical pillar and electronic equipment, it is used for connecting circuit board and conductor to lead electrical pillar, it includes the body to lead electrical pillar, the body includes first end and second end, first end with the second end sets up relatively, first end with the circuit board is connected, the second end with the conductor is connected, first end includes first terminal surface, be equipped with the spread groove on the first terminal surface, the spread groove is used for the filling connection the circuit board reaches the connecting material of electrically conductive post works as lead electrical pillar with the circuit board reaches when the conductor all cooperates fixedly, the circuit board with the conductor passes through it realizes the electricity to lead electrical pillar. The utility model provides a lead fixed effectual and anti-seismic performance excellence of electrical pillar.

Description

Conductive column and electronic equipment

Technical Field

The utility model relates to an electron device technical field especially relates to a lead electrical pillar and electronic equipment.

Background

When a Printed Circuit Board (PCB) is connected to an external device such as a conductor, a conductive copper pillar fixed on the PCB is usually used for connection, and the conductor is fixed on the conductive copper pillar by a screw, so that the conductive copper pillar is easily separated from the soldered PCB when the torque of the screw is too large, and the vibration resistance is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fixed effectual and anti-seismic performance excellent lead electrical pillar and electronic equipment.

The utility model provides a lead electrical pillar, it is used for connecting circuit board and conductor to lead electrical pillar, it includes the body to lead electrical pillar, the body includes first end and second end, first end with the second end sets up relatively, first end be used for with the circuit board is connected, the second end be used for with the conductor is connected, first end includes first terminal surface, be equipped with the spread groove on the first terminal surface, the spread groove is used for the filling connection the circuit board reaches the connecting material of electrically conductive post works as lead electrical pillar with the circuit board reaches when the conductor all cooperates fixedly, the circuit board with the conductor passes through it realizes the electricity to lead electrical pillar.

In one embodiment, the connecting grooves include a first connecting groove and a second connecting groove, the first connecting groove and the second connecting groove are arranged on the first end face at an included angle, and the first connecting groove and the second connecting groove are communicated with each other.

In one embodiment, the depth of the first connection groove is the same as the depth of the second connection groove.

In one embodiment, the first connecting groove penetrates through an edge of the first end face.

In one embodiment, the second connecting groove penetrates through an edge of the first end face.

In one embodiment, an intersection point of center lines of the first connection groove and the second connection groove is on the same straight line with a center line of the conductive pillar.

In one embodiment, the first connecting groove and the second connecting groove cooperate to form a connecting groove of a cruciform structure.

In one embodiment, the second end includes a second end face, an opening is provided on the second end face, the body includes a receiving cavity, and the opening is communicated with the receiving cavity.

In one embodiment, the outer diameter of the opening is larger than the outer diameter of the accommodating cavity, an annular connecting surface for connecting the opening and the accommodating cavity is arranged between the opening and the accommodating cavity, the connecting surface and the opening are matched to form a mounting hole, and the mounting hole is used for a positioning element to be inserted and fix the conductor on the conductive column.

The utility model also provides an electronic equipment, electronic equipment includes circuit board, conductor and leads electrical pillar, lead electrical pillar the first end with the circuit board is connected, lead electrical pillar the second end with the conductor is connected, the circuit board with the conductor passes through it realizes the electricity to lead electrical pillar to connect.

The utility model discloses a lead electrical pillar through set up the spread groove at the first terminal surface with the circuit board contact, make when leading electrical pillar and circuit board welding, the connecting material of connecting and leading electrical pillar and circuit board can fill into the spread groove, thereby increase connecting material and the area of contact who leads electrical pillar, make the circuit board can with lead the better connection of electrical pillar, avoid leading when electrical pillar receives great external force, produce great vibration and produce relative slip with the circuit board, perhaps drop the contact failure who causes from the circuit board, the condition of connection interrupt, promote the anti-seismic performance of leading electrical pillar and the reliability of being connected with the circuit board.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an angle of a conductive post provided by the present invention;

fig. 2 is a schematic view of another angle of the conductive post shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides an electronic equipment (not shown), electronic equipment include circuit board, conductor and lead electrical pillar, and the first end that leads electrical pillar is connected with the circuit board, and the second end that leads electrical pillar is connected with the conductor, and the circuit board realizes the electricity with the conductor through leading electrical pillar and is connected. The electronic device can be a mobile phone, a tablet computer, an electronic reader, a notebook computer, a vehicle-mounted device, a wearable device and the like. In the embodiment of the application, the electronic device is a vehicle-mounted device, for example, a vehicle-mounted charger.

Referring to fig. 1-2, the conductive pillar 10 includes a body 11, the body 11 includes a first end 111 and a second end 112, the first end 111 and the second end 112 are disposed opposite to each other, the first end 111 is used for connecting with a circuit board, the second end 112 is used for connecting with a conductor, the first end 111 includes a first end surface 113, the first end surface 113 is provided with a connection groove 13, the connection groove 13 is used for filling a connection material for connecting the circuit board and the conductive pillar 10, and when the conductive pillar 10 is fixed to the circuit board and the conductor, the circuit board and the conductor are electrically connected through the conductive pillar 10.

Through set up the spread groove 13 at the first terminal surface 113 with the circuit board contact, make when leading electrical pillar 10 and circuit board welding, the connecting material of connecting and leading electrical pillar 10 and circuit board can fill into spread groove 13, thereby increase the area of contact of connecting material and leading electrical pillar 10, make the circuit board can with lead the better connection of electrical pillar 10, avoid when leading electrical pillar 10 and receive great external force, produce great vibration and produce relative slip with the circuit board, perhaps drop from the circuit board and cause contact failure, connect the condition of interrupt, promote the anti-seismic performance of leading electrical pillar 10 and the reliability of being connected with the circuit board.

Since copper is used as a conductor in metal, has a moderate cost, has a lower oxidation rate in air and water than iron and tin, and has a low ground resistance, the conductive post 10 is made of copper material, and can perform a conduction function.

In this embodiment, the circuit board includes a copper foil surface, the first end surface 113 of the conductive pillar 10 is a welding surface on the conductive pillar 10, and the connection material is a solder with fluidity at high temperature. When will leading electrical pillar 10 to be fixed in on the circuit board, go up tin on the welding copper foil face of circuit board, will lead the first terminal surface 113 welding of electrical pillar 10 on the welding copper foil face of circuit board again, at this moment, the tin is heated and has the mobility, because of first terminal surface 113 is provided with spread groove 13, can flow into spread groove 13, and then be full of spread groove 13, increased with first terminal surface 113's welding area, make the welding that leads electrical pillar 10 can be more firm on the circuit board.

Furthermore, the welding copper foil surface of the circuit board can be formed by rough machining, so that the welding with the conductive column is firmer and more firm.

The connecting groove 13 includes a first connecting groove 131 and a second connecting groove 132, the first connecting groove 131 and the second connecting groove 132 are disposed at the first end surface 113 and the first connecting groove 131 and the second connecting groove 132 are connected to each other. Set up first connecting groove 131 and second connecting groove 132 and make it be the contained angle intercommunication, can provide a plurality of passageways for the flow of tin, make tin when the welding copper foil face of circuit board welds with the first terminal surface 113 of leading electrical pillar 10, can flow into first connecting groove 131 and second connecting groove 132 from a plurality of positions of the welding copper foil face of circuit board, make more even first connecting groove 131 and second connecting groove 132 of spreading of tin, improve the welded quality. It is understood that the included angle may be 30 degrees, 45 degrees, 60 degrees, 90 degrees, etc., and is not limited thereto. In this embodiment, the first connecting groove 131 and the second connecting groove 132 are disposed at an included angle of 90 degrees.

Further, the depth of the first connecting groove 131 is the same as that of the second connecting groove 132, so that the fluidity of tin is consistent when tin flows, the tin can be quickly filled in the first connecting groove 131 and the second connecting groove 132, and the welding speed is increased on the basis of ensuring the welding quality.

The body 11 of the conductive pillar 10 includes a first end surface 113, a second end surface 114, and a peripheral side surface 115 connecting the first end surface 113 and the second end surface 114. The first end surface 113, the second end surface 114, and the peripheral side surface 115 are connected to each other to form an outer surface of the body 11 of the conductive pillar 10. In this embodiment, the first connecting groove 131 penetrates through the edge of the first end surface 113, that is, the first connecting groove 131 is a through groove and penetrates through the first end surface 113. The second connecting groove 132 also penetrates the edge of the first end surface 113, that is, the second connecting groove 132 is a through groove and penetrates the first end surface 113.

It can be understood that, the size of the soldering copper foil surface of the circuit board is greater than the size of the first end surface 113 of the conductive post 10, and the first connection groove 131 and the second connection groove 132 are through grooves, so that when the first end surface 113 of the conductive post 10 is soldered to the soldering copper foil surface of the circuit board after soldering, the tin can flow into the first connection groove 131 and the second connection groove 132 from the soldering copper foil surface right opposite to the first end surface 113, and can flow into the first connection groove 131 and the second connection groove 132 from the soldering copper foil surface located on the peripheral side of the first end surface 113, thereby further accelerating the soldering speed. Of course, in other embodiments, the first connecting groove 131 and the second connecting groove 132 may not be through grooves, as long as tin can smoothly flow into the first connecting groove 131 and the second connecting groove 132 during soldering to increase the soldering area, and improve the soldering stability and reliability, which is not limited herein.

In this embodiment, the first connecting groove 131 and the second connecting groove 132 are strip-shaped grooves and have the same shape, so that the length, width and depth of the first connecting groove 131 are all consistent with those of the second connecting groove 132, and the consistency of tin flowing during welding can be improved. Furthermore, the intersection point of the center lines of the first connection groove 131 and the second connection groove 132 and the center line of the conductive post 10 are on the same straight line, so that the portion where the first connection groove 131 and the second connection groove 132 are communicated with each other is located in the middle of the first end surface 113, and during welding, tin can directly contact the communicated portion, rapidly flow from the communicated portion to the rest of the first connection groove 131 and the second connection groove 132, fill the first connection groove 131 and the second connection groove 132, and ensure the welding area during welding.

Further, the first coupling groove 131 and the second coupling groove 132 cooperate to form the coupling groove 13 of a cross-shaped structure. That is, since the connecting groove 13 is cross-shaped, not only can tin flow from the middle portion where the first connecting groove 131 and the second connecting groove 132 communicate with each other to the remaining portions of the first connecting groove 131 and the second connecting groove 132 during welding, but also tin can quickly flow from the opening of the first connecting groove 131 and the second connecting groove 132 to the middle portion where the first connecting groove 131 and the second connecting groove 132 communicate with each other to fill the first connecting groove 131 and the second connecting groove 132, thereby further increasing the welding speed. Of course, in other embodiments, the first connecting slot 131 and the second connecting slot 132 may also cooperate to form the connecting slot 13 with other structures, for example, a T shape, which is not limited herein.

In this embodiment, the second end surface 114 of the body 11 is provided with an opening 116, the body 11 includes a receiving cavity 117, the opening 116 is communicated with the receiving cavity 117 and is matched with the receiving cavity 117 to form a mounting hole 118, and the mounting hole 118 is used for inserting a positioning element to fix the conductor on the conductive post 10.

In one embodiment, the mounting hole 118 is a threaded hole, the positioning element is a bolt, and the conductor is screwed into the mounting hole 118 through the positioning element, so as to fix the conductor and the conductive post 10. In order to ensure that the bolt can smoothly extend into the mounting hole 118, the outer diameter of the opening 116 is larger than the outer diameter of the accommodating cavity 117, and the mounting hole 118 with a larger outer diameter of the opening end close to the first end surface 113 side is formed by arranging the connecting opening 116 and the annular connecting surface 119 of the accommodating cavity 117 between the opening 116 and the accommodating cavity 117, so as to ensure that the positioning element can smoothly be inserted into the mounting hole 118.

Furthermore, the conductor can be a conductive copper bar, the conductive copper bar is made of copper materials, the cross section of the conductive copper bar is a rectangular or chamfer (fillet) rectangular long conductor, and the conductive copper bar plays a role in conveying current and connecting electrical equipment in a circuit. That is, the circuit board can be connected to other electronic components through the conductive copper bars fixed on the conductive posts 10, for example, the electronic components can be relays.

The utility model discloses a lead electrical pillar 10 through set up spread groove 13 at the first terminal surface 113 with the circuit board contact, make when leading electrical pillar 10 and being connected with the circuit board, the connecting material of connecting electrical pillar 10 and circuit board can fill spread groove 13, thereby increase connecting material and the area of contact who leads electrical pillar 10, make the circuit board can with lead the better being connected of electrical pillar 10, avoid when leading electrical pillar 10 and receive great external force, produce great vibration and produce relative slip with the circuit board, perhaps drop the contact failure that causes from the circuit board, the condition of connection interruption, promote the anti-seismic performance that leads electrical pillar 10 and the reliability of being connected with the circuit board.

The embodiments of the present invention have been described in detail, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a lead electrical pillar, it is used for connecting circuit board and conductor to lead electrical pillar, its characterized in that, it includes the body to lead electrical pillar, the body includes first end and second end, first end with the second end sets up relatively, first end be used for with the circuit board is connected, the second end be used for with the conductor is connected, first end includes first terminal surface, be equipped with the spread groove on the first terminal surface, the spread groove is used for the filling connection the circuit board reaches the connecting material of electrically conductive post, works as lead electrical pillar with the circuit board reaches when the conductor all cooperates fixedly, the circuit board with the conductor passes through it realizes the electricity to lead electrical pillar.

2. A conductive post as claimed in claim 1, wherein said connecting slots include a first connecting slot and a second connecting slot, said first connecting slot and said second connecting slot are disposed at said first end face at an included angle, and said first connecting slot and said second connecting slot are communicated with each other.

3. A conductive post as claimed in claim 2, wherein the depth of said first connection slot is the same as the depth of said second connection slot.

4. A conductive post as claimed in claim 3, wherein said first connection slot extends through an edge of said first end surface.

5. A conductive post as claimed in claim 3, wherein said second connection slot extends through an edge of said first end surface.

6. A conductive post as claimed in any one of claims 4 or 5, wherein the intersection of the centre lines of said first and second connection slots is collinear with the centre line of said conductive post.

7. A conductive post as claimed in claim 6, wherein said first connection slot and said second connection slot cooperate to form a connection slot of a cruciform configuration.

8. The conductive post of claim 1, wherein the second end includes a second end face, the second end face having an opening thereon, the body including a receiving cavity, the opening communicating with the receiving cavity.

9. The conductive post according to claim 8, wherein an outer diameter of the opening is greater than an outer diameter of the receiving cavity, and an annular connecting surface is disposed between the opening and the receiving cavity to connect the opening and the receiving cavity, the connecting surface, and the opening cooperate to form a mounting hole for a positioning element to be inserted into to fix the conductor to the conductive post.

10. An electronic device, comprising a circuit board, a conductor, and the conductive post of any one of claims 1-9, wherein the first end of the conductive post is connected to the circuit board, the second end of the conductive post is connected to the conductor, and the circuit board and the conductor are electrically connected through the conductive post.